Our Recommendation

Make
YAMAHA
Model
Big Bear 400 (YFM40FBY) (ATVs / Quads)
Engine
4 str.
Year
2009-
New Search Print
Application
Recommendation
Capacity (ltr)
Engine (4 str.)
  (a, b, c)
Gearbox
From Engine
Final Drive
 
0.5
Front Differential
 
0.2
Coolant
AIR
Brake Fluid
 
Grease
 

Lubricant / Capacity Notes

a.
-10°C to 40°C
b.
Alternative recommendations, <-20°C to 0°C: SGMA 5W-30
c.
Alternative recommendations, 10°C to 45°C: SGMA 20W-50

General Notes

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Oil Change Intervals

Engine (4 str.)
Km Max
2500
Months Max
6
Hours Max
160
Final Drive
Km Max
2500
Months Max
6
Hours Max
160
Front Differential
Km Max
5000
Months Max
12
Hours Max
320
Brake Fluid
Months Max
24